 
					
						
					
				
				
					nFrames = 60
fps = 1/30
radius = 120
for n in range(nFrames):
    newPage(480, 270)
    frameDuration(fps)
    with savedState():
        fill(0,1,0)
        # move origin of the canvas to the center
        translate(width()/2, height()/2)
        # rotate the canvas
        rotate(-360 * n/nFrames)
        # move the origin again 
        translate(radius, 0)
        rect(-50, -50, 100, 100)
    with savedState():
        fill(1,0,1)
        translate(width()/2, height()/2)
        rotate(-360 * n/nFrames)
        translate(radius, 0)
        # counter-rotate the canvas so the rect appears to not rotate
        rotate(360 * n/nFrames)
        rect(-50, -50, 100, 100)
        
saveImage('rotate_more.gif')